Weather History for Watertown, SD

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Wednesday, September 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 76 °F 58 °F  
Max Temperature 90 °F 70 °F 92 °F (1984)
Min Temperature 61 °F 46 °F 23 °F (1929)
Degree Days  
Heating Degree Days 0 8  
Month to date heating degree days 44 94  
Since 1 July heating degree days 95 151  
Cooling Degree Days 11 1  
Month to date cooling degree days 89 34  
Year to date cooling degree days 603 508  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 50    
Precipitation  
Precipitation 0.39 in 0.09 in 2.85 in (1915)
Month to date precipitation 0.82 1.67  
Year to date precipitation 17.64 17.90  
Sea Level Pressure  
Sea Level Pressure 29.68 in    
Wind  
Wind Speed 12 mph (South)    
Max Wind Speed 29 mph    
Max Gust Speed 43 mph    
Visibility 6 miles    
Events Fog , Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Sep. 18, 2013 Rise Set
Actual Time 7:11 AM CDT 7:33 PM CDT
Civil Twilight 6:41 AM CDT 8:02 PM CDT
Nautical Twilight 6:07 AM CDT 8:36 PM CDT
Astronomical Twilight 5:31 AM CDT 9:12 PM CDT
Moon 6:56 PM CDT (9/18) 6:14 AM CDT (9/18)
Length of Visible Light 13h 20m
Length of Day
12h 21m
Waxing Gibbous, 99% of the Moon is Illuminated
Sep 18
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:30 AM 60.8 °F - 60.8 °F 100% 29.81 in 0.8 mi SSE 11.5 mph - N/A   Mist
12:53 AM 61.0 °F - 61.0 °F 100% 29.79 in 0.5 mi SSE 9.2 mph - N/A Fog Fog
1:53 AM 62.1 °F - 62.1 °F 100% 29.78 in 0.5 mi SSE 9.2 mph - N/A Fog Fog
2:18 AM 62.6 °F - 62.6 °F 100% 29.78 in 0.2 mi SSE 9.2 mph - N/A Fog Fog
2:28 AM 62.6 °F - 62.6 °F 100% 29.78 in 0.5 mi SSE 9.2 mph - N/A Fog Fog
2:53 AM 63.0 °F - 63.0 °F 100% 29.76 in 0.8 mi SSE 9.2 mph - N/A   Mist
3:53 AM 64.0 °F - 64.0 °F 100% 29.74 in 0.5 mi SSE 10.4 mph - N/A Fog Fog
4:30 AM 64.4 °F - 64.4 °F 100% 29.73 in 1.2 mi SSE 10.4 mph - N/A   Overcast
4:42 AM 64.4 °F - 64.4 °F 100% 29.72 in 1.5 mi SSE 12.7 mph - N/A   Overcast
4:53 AM 64.0 °F - 64.0 °F 100% 29.71 in 1.8 mi SSE 11.5 mph - N/A   Overcast
5:02 AM 64.4 °F - 64.4 °F 100% 29.72 in 2.0 mi SSE 9.2 mph - N/A   Overcast
5:53 AM 64.9 °F - 64.9 °F 100% 29.68 in 3.0 mi SSE 11.5 mph - N/A   Overcast
6:29 AM 66.2 °F - 66.2 °F 100% 29.70 in 3.0 mi South 12.7 mph - N/A   Overcast
6:53 AM 66.0 °F - 66.0 °F 100% 29.69 in 3.0 mi SSE 9.2 mph - N/A   Overcast
7:32 AM 66.2 °F - 66.2 °F 100% 29.71 in 2.5 mi SSE 11.5 mph - N/A   Overcast
7:53 AM 66.9 °F - 66.0 °F 97% 29.70 in 2.5 mi South 13.8 mph - N/A   Overcast
8:02 AM 66.2 °F - 66.2 °F 100% 29.71 in 3.0 mi South 13.8 mph - N/A   Overcast
8:53 AM 68.0 °F - 66.0 °F 93% 29.68 in 4.0 mi South 12.7 mph - N/A   Overcast
9:53 AM 69.1 °F - 66.9 °F 93% 29.67 in 6.0 mi South 18.4 mph - N/A   Overcast
10:49 AM 71.6 °F - 66.2 °F 83% 29.69 in 8.0 mi South 18.4 mph 26.5 mph N/A   Overcast
10:53 AM 71.1 °F - 66.0 °F 84% 29.67 in 8.0 mi SSE 19.6 mph 27.6 mph N/A   Overcast
11:53 AM 75.9 °F - 66.9 °F 74% 29.65 in 10.0 mi South 16.1 mph 23.0 mph N/A   Mostly Cloudy
12:05 PM 75.2 °F - 66.2 °F 73% 29.67 in 10.0 mi South 16.1 mph - N/A   Partly Cloudy
12:53 PM 79.0 °F - 68.0 °F 69% 29.64 in 10.0 mi South 15.0 mph - N/A   Clear
1:53 PM 82.9 °F 85.8 °F 68.0 °F 60% 29.61 in 10.0 mi SSE 17.3 mph 25.3 mph N/A   Clear
2:53 PM 86.0 °F 88.8 °F 66.9 °F 53% 29.58 in 10.0 mi South 16.1 mph 23.0 mph N/A   Clear
3:53 PM 87.1 °F 89.9 °F 66.9 °F 51% 29.58 in 10.0 mi South 16.1 mph 21.9 mph N/A   Clear
4:53 PM 88.0 °F 90.3 °F 66.0 °F 48% 29.58 in 10.0 mi South 16.1 mph 25.3 mph N/A   Clear
5:53 PM 87.1 °F 89.2 °F 66.0 °F 49% 29.57 in 10.0 mi South 13.8 mph 24.2 mph N/A   Clear
6:53 PM 82.0 °F 84.5 °F 66.9 °F 60% 29.55 in 10.0 mi SSE 13.8 mph - N/A   Clear
7:53 PM 80.1 °F 82.3 °F 66.9 °F 64% 29.57 in 10.0 mi SSE 9.2 mph - N/A   Clear
8:53 PM 78.1 °F - 66.9 °F 68% 29.59 in 10.0 mi SSE 10.4 mph - N/A   Clear
9:53 PM 77.0 °F - 68.0 °F 74% 29.60 in 10.0 mi SSE 10.4 mph - N/A   Clear
10:53 PM 75.0 °F - 68.0 °F 79% 29.63 in 10.0 mi SSW 4.6 mph - N/A Thunderstorm Partly Cloudy
11:15 PM 66.2 °F - 59.0 °F 78% 29.70 in 8.0 mi WNW 15.0 mph 28.8 mph 0.02 in Rain , Thunderstorm Rain
11:53 PM 64.9 °F - 61.0 °F 87% 29.66 in 10.0 mi WNW 4.6 mph - 0.10 in Rain , Thunderstorm Light Rain